Yes, Massachusetts law makes witness intimidation a crime under G. L. c. 268, §13B, which covers threats, harassment, and retaliation against witnesses, jurors, and potential witnesses. If you or someone you know has been threatened for cooperating with an investigation or testifying in court, the first step is safety: call 911 if you are in danger, and report the threat to law enforcement or a Victim-Witness unit right away.
TL;DR:
- The law now protects potential witnesses who have not yet testified but might reasonably provide information later, broadening the scope of witness intimidation charges.
- Prosecutors must prove that the defendant engaged in threatening or harassing conduct with intent or reckless disregard, considering the timing and context related to the case.
- Evidence supporting charges often includes digital communications, eyewitness accounts, and the proximity of threats to court proceedings.
- Penalties can include arrest, protective orders, criminal records, and immigration consequences, with sentencing highly dependent on individual circumstances.
- Defense strategies typically focus on challenging the connection between conduct and witness activity, authenticating digital evidence, or arguing speech was protected.
Table of Contents
- What Massachusetts law says about witness intimidation
- How prosecutors must prove intent and timing
- Key Massachusetts cases shaping how courts apply §13B
- Evidence prosecutors rely on and how courts weigh it
- Penalties and collateral consequences of a conviction
- Common defense strategies against intimidation charges
- What to do if you are threatened as a witness
- How Contant Law approaches intimidation cases
- Get help with a Massachusetts intimidation charge or threat
- Sources
- FAQ
What Massachusetts law says about witness intimidation
Section 13B of chapter 268 is written broadly, and that breadth is intentional. The statute targets two distinct kinds of conduct: interference that happens before or during a proceeding, meant to influence testimony or discourage cooperation, and retaliatory violence or property damage that happens after a proceeding concludes. Both forms carry criminal exposure, and prosecutors do not need to prove the two together.
A 2006 amendment to the law expanded its reach significantly. Before that change, the statute focused mainly on witnesses already involved in an active case. The amended version now covers “potential witnesses,” meaning someone who has not yet testified or even been contacted by investigators, as long as they might reasonably provide information in a future proceeding.
The statute’s scope includes:
- Direct threats made in person, by phone, text, or social media.
- Harassment intended to discourage someone from reporting a crime or cooperating with police.
- Retaliation against a witness or juror after a case has concluded.
- Interference with a witness’s ability to attend or participate in court proceedings.
How prosecutors must prove intent and timing
Massachusetts courts apply a structured framework when evaluating whether conduct rises to criminal intimidation under §13B. The Supreme Judicial Court’s decision in Commonwealth v. Fragata lays out the elements prosecutors generally must establish:
- The defendant’s conduct relates to a possible criminal violation, whether charged or not.
- The alleged victim is a witness or is likely to become one in a related proceeding.
- The defendant engaged in threatening, intimidating, or harassing behavior toward that person.
- The defendant acted with intent to intimidate or with reckless disregard for the likely intimidating effect.
Courts frequently infer intent from context rather than from an explicit admission. Timing and location matter: a threat made outside a courthouse minutes before testimony reads very differently than an ambiguous comment made weeks earlier with no clear connection to a case. Fragata also clarifies that a “potential witness” does not require an active criminal investigation to already be underway. Someone who might reasonably provide information later still qualifies, which broadens the pool of people the statute protects and, correspondingly, the range of conduct that can trigger charges.
Key Massachusetts cases shaping how courts apply §13B
Appellate decisions give the clearest picture of how §13B plays out on real facts, and three cases stand out for Massachusetts readers trying to understand where the lines fall.
- Commonwealth v. Wheeler (Mass. App. Ct. 2023) applied the statute to conduct connected to the witness function, reinforcing how courts weigh the relationship between a defendant’s actions and an underlying case.
- Commonwealth v. Fragata set out the four-part test above and addressed circumstances where the evidence fell short of establishing intimidation, showing that not every hostile interaction meets the legal threshold.
- Commonwealth v. Cathy C., a juvenile appellate decision, examined threats made close to the “stage of a trial” and found that proximity in time and place to testimony can satisfy the statute’s connection requirement.
Massachusetts appellate courts have consistently held that §13B exists to protect the integrity of judicial proceedings, and that rationale runs through Wheeler, Fragata, and the juvenile rulings alike. For defendants, the practical takeaway is that courts scrutinize both the words used and the surrounding circumstances. A vague or ambiguous statement, made with no clear link to a witness’s role, is far harder to prosecute than a specific threat delivered near a courthouse or shortly before a hearing.
Evidence prosecutors rely on and how courts weigh it
Witness intimidation cases rarely turn on a signed confession. Instead, prosecutors typically build cases from a mix of direct and circumstantial evidence, including text messages, call logs, eyewitness accounts of in-person threats, and the timing or location of the alleged conduct relative to a scheduled hearing.
Digital communications carry particular weight because they create a timestamped record, but they also raise authentication questions. Courts typically look at:
- Whether the phone or account is clearly tied to the defendant.
- Whether the message references events only the defendant would know.
- Whether the writing style is consistent with other communications from that person.
Pro Tip: If you receive a threatening message, take a screenshot that captures the date and time, and avoid deleting the original communication or the device it came from.
Penalties and collateral consequences of a conviction
Massachusetts treats witness intimidation as a serious offense against the administration of justice, and sentencing exposure varies depending on the specific subsection charged and the facts involved, including whether the conduct involved physical violence, property damage, or purely verbal threats. A conviction can carry consequences well beyond the courtroom.
- Arrest and potential pretrial detention, particularly when a judge views the defendant as an ongoing threat to a witness.
- Protective orders barring contact with the alleged victim while the case is pending.
- A permanent criminal record that can affect employment, housing, and professional licensing.
- Immigration consequences for noncitizens, since witness intimidation can be treated as a serious offense in removal proceedings.
- Compounding effects on any underlying case, since intimidation charges often accompany or arise from another pending matter.
Exact sentencing outcomes depend heavily on individual circumstances and criminal history, so anyone facing these charges should get a specific assessment from an attorney rather than relying on general ranges.
Common defense strategies against intimidation charges
Defense attorneys typically focus on breaking the connection between the defendant’s conduct and the alleged witness function. That can mean challenging whether the alleged victim was actually a witness or potential witness at the relevant time, disputing the claim that the conduct was genuinely threatening, or attacking how digital evidence was authenticated.
- Arguing the statement was protected speech, not a true threat tied to a proceeding.
- Showing the timing or context undermines any connection to witness activity.
- Challenging text message authentication, hearsay issues, or witness identification.
Anyone facing an accusation should preserve any relevant records, avoid all contact with the alleged victim, and speak with a defense attorney before making statements to investigators.
What to do if you are threatened as a witness
If you believe you are being intimidated for cooperating with an investigation or testifying, act quickly and methodically.
- Call 911 immediately if you are in physical danger.
- Report the threat to the investigating law enforcement agency or your local police department.
- Notify the prosecutor’s office handling the case, or the relevant Victim-Witness unit, so protective measures can be considered.
The U.S. Attorney’s Office for the District of Massachusetts advises threatened witnesses to report incidents directly to the investigating agency or its Victim-Witness unit, and to treat any immediate danger as a 911 emergency. Beyond reporting, you should:
- Document every threat with dates, screenshots, and descriptions.
- Avoid confronting the person making the threats directly.
- Ask the Victim-Witness unit about protective services and subpoena assistance.
The Massachusetts Office of Victim Assistance and the U.S. Attorney’s Victim-Witness unit both serve as points of contact for people navigating this process.
How Contant Law approaches intimidation cases
When we evaluate a witness intimidation matter, whether representing someone accused or advising a family member of a threatened witness, our priority is protecting the client’s safety and legal position from the first phone call. That often means moving quickly to preserve evidence, assess whether the alleged conduct actually meets the statute’s elements, and identify whether the case can be narrowed or challenged before it reaches trial. Every case turns on specific facts, and early legal guidance shapes the options that remain available later.
— Contant Law
Get help with a Massachusetts intimidation charge or threat
Legal firms represent clients in Massachusetts facing charges tied to harassment, intimidation, domestic violence, and juvenile matters, along with broader criminal defense work these cases often involve. If you are dealing with a witness intimidation allegation or you have been threatened and need to understand your options, timing matters. Visit our criminal defense page to learn more about how we handle these cases, or reach out through our contact page to set up a consultation.

This article is general information, not a substitute for advice from a qualified lawyer. Consult a qualified legal professional about your own circumstances before acting on anything here.
Sources
- Commonwealth v. Wheeler (Mass. App. Ct. 2023)
- Commonwealth v. Fragata (SJC opinion)
- Commonwealth v. Cathy C. (juvenile Appeals Court decision)
- District of Massachusetts | Frequently Asked Questions (U.S. Attorney’s Office)
FAQ
Is intimidation of a witness a crime in Massachusetts?
Yes, witness intimidation is a crime under G. L. c. 268, §13B, which covers threats, harassment, and retaliation connected to a witness’s role in a proceeding. The statute applies to actual witnesses as well as potential witnesses who have not yet been contacted by investigators.
Is it illegal to intimidate a witness?
Yes, in Massachusetts it is illegal under the same statute, §13B, regardless of whether the case is criminal or civil in nature. The law covers conduct before, during, and after a proceeding, including retaliation once a case has concluded.
How do you prove witness intimidation?
Massachusetts courts generally require proof that the conduct related to a possible criminal violation, that the person was a witness or likely witness, that the behavior was threatening or intimidating, and that the defendant acted intentionally or with reckless disregard, as outlined in Commonwealth v. Fragata. Evidence often includes text messages, eyewitness accounts, and the timing of the conduct relative to a hearing.
What is the maximum sentence for witness intimidation?
Sentencing under §13B varies based on the specific subsection charged and the facts of the case, including whether the conduct involved violence or property damage. Because outcomes depend heavily on individual circumstances and criminal history, anyone facing this charge should consult an attorney for a case-specific assessment rather than a general estimate.

